Calc3D is a calculator for 3-dimensional vectors, matrices, complex numbers, quaternions. For objects ( like point, line, plane and sphere) distances, intersections, volume, area of squeres, area of a triangle can be calculated. Cartesian coordinates, spherical coordinates und cylindrical coordinates can be transformed into each other. (5 languages)
MathAid Precalculus
Java- and web-based math course includes theoretical concepts, hands-on examples featuring animated graphics and live formulas, problem-solving lessons, and customizable real time tests with solutions and evaluations.
Writing Numbers Part 2
Middle-School (grades 5 through 9) math program written to provide skills in context. Given the English language version of a number (e.g. one thousand sixty-five and nine tenths) students must type in the numeral (e.g. 1065.9).
DataFitX
DataFitX is a COM component (in-process ActiveX DLL) which allows you to add a powerful nonlinear regression (curve fitting) engine to your software with just a few simple lines of code in any software or development environment that supports COM.
Calc 3D
Calc3D is a calculator for vectors, matrices, complex numbers, quaternions and coordinates. For objects like point, line, plane and sphere distances, intersections, volume, area of squeres, area of a triangle can be calculated. (5 languages)
Fraction Tiles
Middle-School (grades 5 through 9) math program written to provide skills in context. Students are shown eight fraction representations and must choose three that add up to a given sum. Fractions are halves, fourths, and eighths.